x=list(range(10))
print('整数输出1:',end='')
for i in x:
    print(i,end=' ')

print('\n整数输出2:',end='')
for i in x:
    print(f'{i:02d}',end = '-')
print('\n整数输出3:',end ='')
for i in x[:-1]:
    print(f'{i:02d}',end = '-')
print(f'{x[-1]:02d}')

print('\n字符输出1:',end = '')
y1=[str(i)for i in range(10)]
print('-'.join(y1))

print('字符输出2:',end = '')
y2=[str(i).zfill(2) for i in range(10)]
print('-'.join(y2)

print('整数列表: ')
x = list(range(97, 97+26))
for i in x:
    print(i, end = ' ')



print('\n字符列表1: ')
lower_alpha=[chr(i) for i in range(97,97+26)]
for i in lower_alpha:
    print(i, end = ' ')


print('\n字符列表2: ')
upper_alpha = [i.upper() for i in lower_alpha]
for i in upper_alpha:
    print(i, end = ' ')

import random
import string

print('用列表存储随机整数: ')
ls = [random.randint(1, 100) for i in range(5)]
print(ls)

print('\n用集合存储随机整数: ')
s = {random.randint(1,100) for i in range(5)}
print(s)

print('\n\n字母串: ', end = '')
alpha = string.ascii_letters
print(alpha)
print(type(alpha))

print('\n数字串：', end = '')
digits = string.digits
print(digits)
print(type(digits))

import random
print('用集合存储随机整数: ')
while True:
    s = {random.randint(1,100) for i in range(5)}
    print(s)
    if len(s) < 5:
        break

list=[]
count=-1 #设置初始计数
n1=0
n2=1
list.append(n1)
list.append(n2)
while n1<1000 and n2<1000:
    n=n1+n2
    if n<1000:
        list.append(n)
    n1=n2
    n2=n
for i in list:
    count += 1 #开始计数
    if count % 5 == 0: #每5个换行
        print(end='\n')
    print(f'{i:5d}',end=' ')

import random
i=2
print('猜猜2021年5月哪一天是你的lucky day 你有3次机会 猜吧')
x=int(input('请输入你想要猜的天数（1-31）：'))
y=random.randint(1,31)
while x!=y:
    if i <= 3:
        if x<y:
            print('猜早啦')
            i+=1
            x=int(input('再猜，请输入你想要猜的天数（1-31）：'))
        elif x>y:
            print('猜晚啦')
            i+=1
            x=int(input('再猜，请输入你想要猜的天数（1-31）：'))
    else:
        print('您的机会用完啦')
        break
else:
    print('恭喜你，猜对啦')

x,n= eval(input('输入十进制整数x和要转换的进制n:'))
list1 = []
list2 = []
while x//n!=0 :
    b = x//n
    a = x%n
    x = b
    list1.append(a)
    list2.append(b)
list1.append(b)
list3 = list1[::-1]
for i in list3:
    print(i,end='')